Home / 14,104.58-19,467.81-8,139.83

Finding the Fourth Proportional to 14,104.58, 19,467.81 and 8,139.83

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Solution

The fourth proportional to 14,104.58, 19,467.81 and 8,139.83 is: 11,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.58 : 19,467.81 = 8,139.83 : x
  2. Step 2: Convert to fraction form
    14,104.58/19,467.81 = 8,139.83/x
  3. Step 3: Cross multiply
    14,104.58x = 19,467.81 × 8,139.83
  4. Step 4: Simplify right side
    14,104.58x = 158,464,566.53
  5. Step 5: Solve for x
    x = 158,464,566.53/14,104.58
  6. Step 6: Final answer
    x = 11,234.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.